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For some mothers more than others: how children matter for labour market outcomes when both fertility and female employment are low

  • Karbownik, Krzysztof


    (Uppsala Center for Labor Studies)

  • Myck, Michal

    (CenEA and DIW-Berlin)

We estimate the causal relationship between family size and labour market outcomes for families in low fertility and low female employment regime. Family size is instrumented using twinning and gender composition of the first two children. Among families with at least one child we identify the average causal effect of an additional child on mother’s employment to be -7.1 percentage points. However, we find no effect of additional children on female employment among families with two or more kids. Heterogeneity analysis suggests no causal effects of fertility on female employment among mothers with less than college education and older mothers (born before 1978). Furthermore, we find evidence for the interaction of family size with maternal education and age. An unintuitive feature of our finding is that we identify a positive bias of OLS estimates for highly educated mothers and for mothers born after 1977.

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Paper provided by Uppsala University, Department of Economics in its series Working Paper Series, Center for Labor Studies with number 2012:17.

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Length: 28 pages
Date of creation: 04 Oct 2012
Date of revision:
Handle: RePEc:hhs:uulswp:2012_017
Contact details of provider: Postal: Department of Economics, Uppsala University, P. O. Box 513, SE-751 20 Uppsala, Sweden
Phone: + 46 18 471 25 00
Fax: + 46 18 471 14 78
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